blower

Etymology

From Middle English blowere, blower, from Old English blāwere; equivalent to blow + -er.

noun

1. A person who blows.
2. Any device that blows; often, especially, a furnace component or a supercharger.
   The locomotive […] was quietly "blowing off" on one Ross "pop" valve, whilst the rhythmic clanging of the fireman's shovel, the black smoke pouring from her chimney, and the harsh sound of the blower told of the proximity of departure time. 1942 July–August, Philip Spencer, “On the Footplate in Egypt”, in Railway Magazine, page 208
   1. A ducted fan, usually part of a heating, ventilation, and/or air conditioning system.
3. (slang, chiefly Britain, New Zealand, Australia, Ireland, usually preceded by the) Telephone.
   Get on the blower and call headquarters right away!
   1. (slang, UK, Ireland, historical) A telephone service providing betting odds and commentary, relayed to customers in a bookmaker's shop via loudspeaker.
4. (dated) A braggart, or loud talker.
5. The whale; so called by seamen, from its habit of spouting up a column of water.
6. A small fish of the Atlantic coast, Sphoeroides maculatus; the puffer.